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| R/W | Name | Description | SRF Example (CM 2 Cavity 1) | Gun/Buncher Example | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| R/W | RFMODECTRL | RF mode control (SEL, SELA, SELAP, SEL Raw, Pulse, Chirp) | ACCL:L1B:0210:RFMODECTRL | N/A | ||||||||||||||
| R | RFMODE | Readback of current RF mode (SEL, SELA, SELAP, SEL Raw, Pulse, Chirp) | ACCL:L1B:0210:RFMODE | |||||||||||||||
| R/W | Name | DescriptionRFCTRL | Cavity on/off control. Off = LLRF drive set to 0. (SSA control will be different.) | ACCL:L1B:0210:RFCTRL | ||||||||||||||
| R | RFSTATE | Readback of cavity RF on/off state | ACCL:L1B:0210:RFSTATE | N/A | ||||||||||||||
| R/W | ADES | Operation amplitude setpoint (MV) | ACCL:L1B:0210:ADES | GACT | Measured gradient from cavity probe (MV/m) | |||||||||||||
| R | GMAX | Maximum allowable gradientGDES | Gradient setpoint (MV/m) - readback only | ACCL:L1B:0210:GDES | N/A | |||||||||||||
| R/W | ADESAACT | Operation Measured amplitude setpoint from cavity probe (MV) | ACCL:L1B:0210:AACT | |||||||||||||||
| R | AACTGACT | Measured | amplitudegradient from cavity probe (MV/m) | ACCL:L1B:0210:GACT | ||||||||||||||
| R/W | AMAX | Maximum allowable amplitude (MV) - experts only | ACCL:L1B:0210:AMAX | |||||||||||||||
| R | GMAX | Maximum allowable gradient (MV/m) - readback only | ACCL:L1B:0210:GMAX | |||||||||||||||
| R/W | PDES | Operation phase setpoint (degrees, where 0 is on-crest) | ACCL:L1B:0210:PDES | |||||||||||||||
| R | PACT | Measured phase from cavity probe (degrees) | R/W | SEL_POFF | SEL phase offset setpoint (not used in SELA mode) ACCL:L1B:0210:PACT | |||||||||||||
| R/W | PREF | a.k.a.gold, phase offset used by LLRF to convert measured phase to one relative to on-crest operation, adjusted by beam phasing (degrees) | ACCL:L1B:0210:PREF | ? | DFDES | Cavity detuning setpoint (Hz) - is this needed? | ||||||||||||
| R | DFACT | Detune seen by the resonance system (Hz) | ||||||||||||||||
| R/W | RFMODECTRL | RF mode control (SEL, SELA, SELAP) | ||||||||||||||||
| R | RFMODE | Readback of current RF mode | ||||||||||||||||
| R/W | RFCTRL | Cavity on/off control. Off = LLRF drive set to 0. (SSA control will be different.) | ||||||||||||||||
| R | RFSTATE | Readback of cavity RF on/off state | ||||||||||||||||
| R/W | SEL_POFF | SEL phase offset setpoint (not used in SELA/GDR mode) | ACCL:L1B:0210:SEL_POFF | N/A | ||||||||||||||
| R | SEL_POFF_RBV | SEL phase offset (not used in SELA/GDR mode) | ACCL:L1B:0210:SEL_POFF_RBV | N/A | ||||||||||||||
| R | DFACT | Measured etune frequency (Hz) | N/A | |||||||||||||||
| R | DF | Measured detune frequency (Hz) using state space equation, cavity and forward signals - used to drive piezos | ACCL:L1B:0210:DF | N/A | ||||||||||||||
| R | DF_FC | Measured detune frequency (Hz) using frequency counter method - not used in resonance control, larger operating range than DF | ACCL:L1B:0210:DF_FC | N/A | ||||||||||||||
| R | CHIRP:DF | Measured detune frequency (Hz) using chirp method - only active in Chirp and Pulsed modes, primarily for use when cavity is many kHz out of tune, operating range of tens of kHz or more | ACCL:L1B:0210:CHIRP:DF | N/A | ||||||||||||||
| R | AWF | Waveform of cavity probe amplitude, which is used to calculate AACT (MV) | ||||||||||||||||
| R | PWF | Waveform of cavity probe phase, which is used to calculate PACT (degrees) | ||||||||||||||||
| R | FWD | Forward signal from SSA to cavity - amplitude | ||||||||||||||||
| R | FWDPWR | Forward signal from SSA to cavity - power | ||||||||||||||||
| R | REV | Reverse signal from cavity - amplitude | ||||||||||||||||
| R | REVPWR | Reverse signal from cavity - power | ||||||||||||||||
| R/W | ALEM | LEM computed integrated RF amplitude (MV) per cavity and per cryomodule | ACCL:L1B:0210:ALEM | |||||||||||||||
| R/W | PLEM | LEM computed phase (deg) | ACCL:L1B:0210:PLEM | |||||||||||||||
| R/W | EGLEM | LEM computed energy gain (MeV) | ACCL:L1B:0210:EGLEM | |||||||||||||||
| R/W | CHLEM | LEM computed chirp (MeV) | ACCL:L1B:0210:CHLEM | |||||||||||||||
| R/W | FUDG CAV:FUDG | Beam Beam-based scale factor applied to cavity probe amplitude readback. Nominal value of 1. | ACCL:L1B:0210:CAV:FUDG | |||||||||||||||
| R | L | Cavity design length - constant | ACCL:L1B:0210:L | N/A | ||||||||||||||
| R | FREQ | Cavity design frequency - constant | ACCL:L1B:0210:FREQ | N/A | ||||||||||||||
| R | IMPEDShunt impedance | Cavity design shunt impedance - constant | ACCL:L1B:0210:IMPED | N/A | ||||||||||||||
| In Progress/Tentative | ||||||||||||||||||
| RFREADY | Status of RF controls, (Ready, Not Ready) set to ready when control loops are closed and RF is continuous. Or will we ever run with pulsed RF? | |||||||||||||||||
STAT | Status bits in software (define the bits) | |||||||||||||||||
| HSTA | Hardware status | DFDES | Cavity detuning setpoint (Hz)||||||||||||||||
| Latching SRF Interlocks | ||||||||||||||||||
| R | QUENCH_FLT |
| ERRWF | Error waveforms corresponding to waveforms above, captured and put in a separate buffer when a fault is detected (degrees or MV) | ||||||||||||||
| PZWF | Waveforms from tuner piezo motors, useful for finding microphonics. Units TBD. | |||||||||||||||||
Cavity quench fault, from RFS chassis. Current status, latched status, reset command, bypass command, bypass status | ||||||||||||||||||
| R | QUENCH_LTCH | |||||||||||||||||
| R/W | QUENCH_RESET | |||||||||||||||||
| R/W | QUENCH_BYP | Latching SRF Interlocks - In Progress/Tentative | ||||||||||||||||
| R | QUENCH_BYP_RBV | |||||||||||||||||
| R | CPLRVAC_FLT |
| Cavity quench Coupler vacuum fault, from | interlock Interlock chassis. Current status, latched status, | and reset command, bypass command, bypass status | |||||||||||||
| R | QUENCHCPLRVAC_LTCH | |||||||||||||||||
| R/W | CPLRVAC | W | QUENCH_RESET | |||||||||||||||
| R/W | CPLRVAC_FLTBYP | |||||||||||||||||
| R | CPLRVAC_BYP_RBV | |||||||||||||||||
| R | BMLNVAC_FLT |
Beamline | vacuum fault, from | interlock Interlock chassis. Current status, latched status, | and reset command, bypass command, bypass status | |||||||||||||
| R | CPLRVACBMLNVAC_LTCH | W | ||||||||||||||||
| R/W | CPLRVACBMLNVAC_RESET | |||||||||||||||||
| R/W | BMLNVAC_BYP | |||||||||||||||||
| R | BMLNVAC_BYP_RBV | |||||||||||||||||
| R | STEPTEMP_FLT |
| Beamline vacuum Stepper temperature fault, from | interlock Interlock chassis. Current status, latched status, | and reset commandreset command, bypass command, bypass status | |||||||||||||
| R | BMLNVACSTEPTEMP_LTCH | |||||||||||||||||
| R/W | STEPTEMP_RESET | |||||||||||||||||
| R/W | STEPTEMP_BYP | W | BMLNVAC_RESET | |||||||||||||||
| R | STEPTEMP_BYP_RBV | |||||||||||||||||
| R | CPLRTEMP1_FLT |
Coupler temperature 1 fault, from | interlock Interlock chassis. Current status, latched status | , and reset command, reset command, bypass command, bypass status | ||||||||||||||
| R | STEPTEMPCPLRTEMP1_LTCH | W | ||||||||||||||||
| R/W | STEPTEMPCPLRTEMP1_RESET | |||||||||||||||||
| R/W | CPLRTEMP1_BYP | |||||||||||||||||
| RCPLRTEMP | CPLRTEMP1_BYP_RBV | |||||||||||||||||
| R | CPLRTEMP2_FLT |
Coupler temperature 1 fault, from | interlock Interlock chassis. Current status, latched status, | and reset commandreset command, bypass command, bypass status | ||||||||||||||
| R | CPLRTEMP CPLRTEMP2_LTCH | |||||||||||||||||
| R/W | CPLRTEMP2 | W | CPLRTEMP_RESET | |||||||||||||||
| R/W | CPLRTEMP2_BYP | |||||||||||||||||
| R | CPLRTEMP2_BYP_RBV | |||||||||||||||||
| W | INTLK_RESET_ALL | Reset all latched faults from | interlock chassisRFS and Resonance/Interlock chassis | |||||||||||||||
| Non-Latching SRF Interlocks (These are per-cryomodule, not per-cavity) - In Progress/Tentative | ||||||||||||||||||
| R | HEPRES_FLT | Helium pressure fault, from cryo system PLC | ||||||||||||||||
| R | HELEVEL_FLT | Helium level fault, from cryo system PLC | ||||||||||||||||
| R | RFHEARTBEAT_FLT | Cryo receives RF heartbeat, from cryo system PLC | ||||||||||||||||
| R | CRYOHEARTBEAT_FLT | Cryo PLC heartbeat fault. Generated by RF software when cryo data stops updating or updates too slowly | ||||||||||||||||
| Interlock Thresholds - In Progress/Tentative | ||||||||||||||||||
| R/W | CPLRVAC_THRES_L | |||||||||||||||||
| R/W | CPLRVAC_THRES_H | |||||||||||||||||
| R/W | BMLNVAC_THRES_L | |||||||||||||||||
| R/W | BMLNVAC_THRES_H | |||||||||||||||||
| R/W | STEPTEMP_THRES_L | |||||||||||||||||
| R/W | STEPTEMP_THRES_H | |||||||||||||||||
| R/W | CPLRTEMP_THRES_L | |||||||||||||||||
| R/W | CPLRTEMP_THRES_H | |||||||||||||||||
| Cavity Ramp-Up and Calibration Output | ||||||||||||||||||
| R | QLOADED | Loaded Q | ||||||||||||||||
| R | CAV_CONST | Cavity calibration constant (later will be merged with CAV:CAL_SCALE) | ||||||||||||||||
| R | LDCOEF | Lorentz detuning | ||||||||||||||||
| R | BCOEFM | State space B coefficient magnitude | ||||||||||||||||
| R | BCOEFP | State space B coefficient phase | ||||||||||||||||
| R | SSA:SLOPE | SSA slope | ||||||||||||||||
| R | SSA:PED | SSA pedestal | ||||||||||||||||
| R | SSA:MINX | SSA min X | ||||||||||||||||
| Waveform Signals | ||||||||||||||||||
The PVs below will be provided for each waveform signal. Each cavity has the following waveform signals:
| ||||||||||||||||||
| Waveform | R | <SIG>:AWF | Signal amplitude waveform | Statistics|||||||||||||||
| R | <SIG>:AMEAN | Mean of <SIG>:AF | ||||||||||||||||
| R | <SIG>:ASTD | Standard deviation of <SIG>:AWF | ||||||||||||||||
| R | <SIG>:AMIN | Minimum of <SIG>:AF | ||||||||||||||||
| R | <SIG>:AMAX | Maximum of <SIG>:AWF | Waveform | |||||||||||||||
| R | <SIG>:PWF | Signal phase waveform | Statistics||||||||||||||||
| R | <SIG>:PMEAN | Mean of <SIG>:PWF | ||||||||||||||||
| R | <SIG>:PSTD | Standard deviation of <SIG>:PWF | ||||||||||||||||
| R | <SIG>:PMIN | Minimum of <SIG>:PWF | ||||||||||||||||
| R | <SIG>:PMAX | Maximum of <SIG>:PWF | Waveform | |||||||||||||||
| R | <SIG>:PWRWF | Signal power waveform | Statistics | |||||||||||||||
| R | <SIG>:PWRMEAN | Mean of <SIG>:PWRTRACE | ||||||||||||||||
| R | <SIG>:PWRSTD | Standard deviation of <SIG>:PWRWF | ||||||||||||||||
| R | <SIG>:PWRMIN | Minimum of <SIG>:PWRWF | ||||||||||||||||
| R | <SIG>:PWRMAX | Maximum of <SIG>:PWRWF | Waveform | |||||||||||||||
| R | <SIG>:ITWF | Signal I waveform | Waveform | |||||||||||||||
| R | <SIG>:QTWF | Signal Q waveform | ||||||||||||||||
...
| Name | Description |
|---|---|
| Firmware MD5 | |
BMB7 board serial # | |
| Digitizer board serial # | |
| Chassis serial # and/or Depot number |
